EP1424821A3 - Symboltaktung für MIMO OFDM und andere drahtlose Vermittlungssysteme - Google Patents

Symboltaktung für MIMO OFDM und andere drahtlose Vermittlungssysteme Download PDF

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Publication number
EP1424821A3
EP1424821A3 EP03256876A EP03256876A EP1424821A3 EP 1424821 A3 EP1424821 A3 EP 1424821A3 EP 03256876 A EP03256876 A EP 03256876A EP 03256876 A EP03256876 A EP 03256876A EP 1424821 A3 EP1424821 A3 EP 1424821A3
Authority
EP
European Patent Office
Prior art keywords
symbol timing
wireless communication
determined
communication systems
inter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03256876A
Other languages
English (en)
French (fr)
Other versions
EP1424821A2 (de
EP1424821B1 (de
Inventor
Kai Roland Kriedte
Tim Schenk
Allert Van Zeist
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agere Systems LLC
Original Assignee
Agere Systems LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agere Systems LLC filed Critical Agere Systems LLC
Publication of EP1424821A2 publication Critical patent/EP1424821A2/de
Publication of EP1424821A3 publication Critical patent/EP1424821A3/de
Application granted granted Critical
Publication of EP1424821B1 publication Critical patent/EP1424821B1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
EP03256876A 2002-11-26 2003-10-30 Symboltaktung für MIMO OFDM und andere drahtlose Vermittlungssysteme Expired - Fee Related EP1424821B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US42908102P 2002-11-26 2002-11-26
US429081P 2002-11-26
US644702 2003-08-20
US10/644,702 US7254196B2 (en) 2002-11-26 2003-08-20 Symbol timing for MIMO OFDM and other wireless communication systems

Publications (3)

Publication Number Publication Date
EP1424821A2 EP1424821A2 (de) 2004-06-02
EP1424821A3 true EP1424821A3 (de) 2006-11-22
EP1424821B1 EP1424821B1 (de) 2009-04-08

Family

ID=32302758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03256876A Expired - Fee Related EP1424821B1 (de) 2002-11-26 2003-10-30 Symboltaktung für MIMO OFDM und andere drahtlose Vermittlungssysteme

Country Status (4)

Country Link
US (1) US7254196B2 (de)
EP (1) EP1424821B1 (de)
JP (1) JP4336190B2 (de)
DE (1) DE60327033D1 (de)

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US8743837B2 (en) * 2003-04-10 2014-06-03 Qualcomm Incorporated Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
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US8064528B2 (en) 2003-05-21 2011-11-22 Regents Of The University Of Minnesota Estimating frequency-offsets and multi-antenna channels in MIMO OFDM systems
KR100818774B1 (ko) 2004-01-29 2008-04-03 포스데이타 주식회사 광대역 무선 통신 시스템에서 다중-반송파 및 직접 시퀀스확산 스펙트럼 신호를 중첩시키는 방법 및 장치
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US7643582B2 (en) 2004-06-09 2010-01-05 Marvell World Trade Ltd. Method and system for determining symbol boundary timing in a multicarrier data transmission system
US7561626B2 (en) * 2004-06-09 2009-07-14 Marvell World Trade Ltd. Method and system for channel estimation in a data transmission system
US7697619B2 (en) * 2004-06-09 2010-04-13 Marvell World Trade Ltd. Training sequence for channel estimation in a data transmission system
US7817730B2 (en) * 2004-06-09 2010-10-19 Marvell World Trade Ltd. Training sequence for symbol boundary detection in a multicarrier data transmission system
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US7561627B2 (en) * 2005-01-06 2009-07-14 Marvell World Trade Ltd. Method and system for channel equalization and crosstalk estimation in a multicarrier data transmission system
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KR100679028B1 (ko) * 2005-01-31 2007-02-05 삼성전자주식회사 다중 입력 다중 출력 통신 장치 및 다중 입력 다중 출력통신 장치의 채널 스캐닝 방법
US8428001B2 (en) * 2005-03-10 2013-04-23 Qualcomm Incorporated Timing corrections in a multi carrier system and propagation to a channel estimation time filter
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US20100157833A1 (en) 2005-03-10 2010-06-24 Qualcomm Incorporated Methods and systems for improved timing acquisition for varying channel conditions
US8675631B2 (en) * 2005-03-10 2014-03-18 Qualcomm Incorporated Method and system for achieving faster device operation by logical separation of control information
WO2006098011A1 (ja) * 2005-03-16 2006-09-21 Fujitsu Limited 多入力システムにおける無線通信装置及びチャンネル推定及び分離方法
US7664187B2 (en) * 2005-04-25 2010-02-16 Sirf Technology, Inc. Memory reduction in digital broadcast receivers
KR101084139B1 (ko) * 2005-06-15 2011-11-17 엘지전자 주식회사 ＤＦＴ ｓｐｒｅａｄ ＯＦＤＭＡ 시스템의 파일럿 전송방법
CN1933470A (zh) * 2005-09-13 2007-03-21 上海贝尔阿尔卡特股份有限公司 分布式多发多收－正交频分复用系统帧同步方法及装置
US7623607B2 (en) * 2005-10-31 2009-11-24 Qualcomm Incorporated Methods and apparatus for determining timing in a wireless communication system
KR20070061215A (ko) * 2005-12-08 2007-06-13 한국전자통신연구원 다중 반송파를 이용한 광대역 무선 채널 측정 장치의송수신 장치
US8340232B2 (en) * 2005-12-09 2012-12-25 Samsung Electronics Co., Ltd. Apparatus and method for channel estimation using training signals with reduced signal overhead
US8948329B2 (en) * 2005-12-15 2015-02-03 Qualcomm Incorporated Apparatus and methods for timing recovery in a wireless transceiver
CN101060512B (zh) * 2006-06-30 2010-12-08 华为技术有限公司 一种ofdm传输符号同步的方法及其系统
RU2009105251A (ru) * 2006-08-17 2010-08-27 Панасоник Корпорэйшн (Jp) Способ радиопередачи и радиопередающее устройство
KR100818630B1 (ko) * 2006-10-04 2008-04-02 주식회사 팬택 다중입력 다중출력 무선 랜 환경에서 데이터를 송수신하는방법
US20080101482A1 (en) * 2006-10-26 2008-05-01 General Instrument Corporation Method and apparatus for refining MIMO channel estimation using the signal field of the data frame
WO2008081311A2 (en) * 2006-12-29 2008-07-10 Nokia Corporation Apparatus, methods and computer program products providing limited use of zadoff-chu sequences in pilot or preamble signals
US8102754B2 (en) 2007-04-30 2012-01-24 Telefonaktiebolaget Lm Ericsson (Publ) Synchronization time difference measurements in OFDM systems
USRE48603E1 (en) * 2007-05-02 2021-06-22 Koninklijke Philips N.V. Method and device for allocating resource in an OFDM network
DE102007053402A1 (de) * 2007-11-09 2009-05-14 Rohde & Schwarz Gmbh & Co. Kg Synchronisierung von Empfangssymbolen bei OFDM
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KR101467782B1 (ko) * 2008-02-25 2014-12-03 엘지전자 주식회사 이동 단말에서 공존 지원 방법
KR101467783B1 (ko) * 2008-02-25 2014-12-03 엘지전자 주식회사 무선 개인영역 통신망과의 공존 지원 방법
KR101490245B1 (ko) * 2008-02-25 2015-02-05 엘지전자 주식회사 광대역 무선접속 시스템의 서브채널 할당을 고려한 공존지원 방법
US8749400B2 (en) * 2008-08-18 2014-06-10 Halliburton Energy Services, Inc. Symbol synchronization for downhole OFDM telemetry
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CN104995885A (zh) * 2013-02-05 2015-10-21 交互数字专利控股公司 脉冲形状正交分频复用
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Also Published As

Publication number Publication date
EP1424821A2 (de) 2004-06-02
DE60327033D1 (de) 2009-05-20
US20040100939A1 (en) 2004-05-27
EP1424821B1 (de) 2009-04-08
JP2004180313A (ja) 2004-06-24
JP4336190B2 (ja) 2009-09-30
US7254196B2 (en) 2007-08-07

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